CN112542281B

CN112542281B - Insulator fixing device

Info

Publication number: CN112542281B
Application number: CN202011414864.XA
Authority: CN
Inventors: 杨治军; 刘禾萍
Original assignee: Jiangxi Lifeng Electrical Porcelain Manufacturing Co ltd
Current assignee: Jiangxi Lifeng Electrical Porcelain Manufacturing Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2022-02-15
Anticipated expiration: 2040-12-03
Also published as: CN112542281A

Abstract

The invention discloses an insulator fixing device which comprises a connecting frame, wherein the top of the connecting frame is provided with a connecting hole, an inner cavity of the connecting hole is sleeved with an insulator body in a sliding mode, the connecting frame is provided with positioning plates, the bottoms of the two positioning plates are fixedly connected with a fixing plate, the insulator body and the fixing plate are sleeved in a sliding mode in a penetrating and sleeving mode, the insulator body is sleeved with two fixing nuts in a threaded mode, the two fixing nuts are located at the bottom of the fixing plate, the insulator body is fixedly sleeved with a fixing lantern ring, the insulator body is sleeved with a first spring in a sliding mode, and the first spring is located between the fixing lantern ring and the connecting frame. According to the invention, by utilizing the arrangement mode of the connecting frame and the insulator body, the insulator can move relative to one section under the action of the first spring under the limiting action of the fixing nut, so that the insulator and the cable can be damped to a certain extent, the insulator body and the cable are protected, and the practical performance of insulator installation is improved.

Description

Insulator fixing device

Technical Field

The invention relates to the field of fixing, in particular to an insulator fixing device.

Background

The insulator is a device which is arranged between conductors with different electric potentials or between the conductor and a ground potential component, can resist the action of voltage and mechanical stress, is a special insulating control and can play an important role in overhead transmission lines, is mostly used for telegraph poles in the early years, is gradually developed on one end of a high-voltage wire connecting tower, is hung with a plurality of disc-shaped insulators, is used for increasing the creepage distance, and is usually made of glass or ceramics, namely an insulator.

When the insulator is used, the setting mode of bolt or mount pad is utilized usually, the snap-on is on the link of wire pole or wire tower to meet bad weather or windy weather, the cable of laying on the insulator has the swing of certain range, but the insulator is rigid again, thereby when the cable swing, cable or insulator can the atress can damage, and then reduce its practicality.

Disclosure of Invention

The present invention is directed to an insulator fixing device to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an insulator fixing device, includes the link, the connecting hole has been seted up at the top of link, the inner chamber of connecting hole slides and has cup jointed the insulator body, the bottom symmetry of link is provided with the locating plate, two the bottom fixedly connected with fixed plate of locating plate, the bottom of insulator body outer wall slides with the fixed plate and alternates and cup joint, two fixation nut have been cup jointed to the bottom screw thread of insulator body outer wall, two fixation nut is located the bottom of fixed plate, the fixed lantern ring that has cup jointed in top of insulator body outer wall, the outer wall of insulator body slides and has cup jointed first spring, first spring is located between the fixed lantern ring and the link.

Preferably, the top fixedly connected with mounting panel of locating plate, the equal symmetry in both sides at link top is provided with connecting bolt, the mounting panel passes through connecting bolt and link fixed connection.

Preferably, the two positioning plates are symmetrically provided with a limiting plate between, one side of each limiting plate opposite to the other side is provided with a groove, and the inner wall of each groove is fixedly connected with a brake pad.

Preferably, two mutually contradictory one side of limiting plate all fixedly connected with slider, two the spout has all been seted up to the relative one side of locating plate, the outer wall of slider cup joints with the inner chamber sliding of spout.

Preferably, one side of one of the limiting plates is symmetrically and fixedly connected with a connecting rod, the other one side of the limiting plate is provided with a connecting groove, one end of the outer wall of the connecting rod is sleeved with an inner cavity of the connecting groove in a sliding mode, the outer wall of the connecting rod is sleeved with a second spring in a sliding mode, and the second spring is located between the two limiting plates.

Preferably, the inner wall of connecting hole is the annular array equidistance and has seted up a plurality of flutings, the outer wall of insulator body is a plurality of stoppers of annular array equidistance fixedly connected with, the outer wall of insulator body slides and has cup jointed the spacing lantern ring, the outer wall screw thread of insulator body has cup jointed set nut, the spacing lantern ring is located between set nut and the stopper.

Preferably, the bottom symmetry of the spacing lantern ring is provided with the connecting plate, the both ends of connecting plate are all rotated and are alternated to be cup jointed the round pin axle, the equal fixedly connected with connecting block in both ends of round pin axle, the both ends of connecting plate all rotate with spacing lantern ring and limiting plate through the round pin axle respectively and are connected.

Preferably, the outer wall of the insulator body is slidably inserted and sleeved with the supporting plate, the bottom of the outer wall of the insulator body is slidably sleeved with the third spring, and the third spring is located between the supporting plate and the fixing plate.

The invention has the technical effects and advantages that:

(1) according to the invention, by utilizing the arrangement mode of the connecting frame and the insulator body, the insulator can move relative to one section of position under the limiting action of the fixing nut, so that the insulator and the cable can be damped to a certain extent, the insulator body and the cable are protected, and the practical performance of insulator installation is improved;

(2) according to the invention, by utilizing the arrangement mode of the limiting plates, when the insulator body descends under the action of the cable, the limiting lantern ring can push the limiting plates to descend through the connecting plate, and under the action of the positioning plates, the two limiting plates move relatively to each other, so that the position of the insulator body is limited, and the damage to the insulator body caused by overlarge descending amplitude of the insulator body is avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic diagram of the front internal structure of the present invention.

FIG. 3 is a schematic view of a top-down portion of the connecting frame of the present invention.

Fig. 4 is a schematic view of the overall structure of the limiting plate of the invention.

FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. a connecting frame; 2. connecting holes; 3. an insulator body; 4. positioning a plate; 5. a fixing plate; 6. fixing a nut; 7. a fixed collar; 8. a first spring; 9. mounting a plate; 10. a connecting bolt; 11. a limiting plate; 12. a brake pad; 13. a slider; 14. a chute; 15. a connecting rod; 16. connecting grooves; 17. a second spring; 18. grooving; 19. a limiting block; 20. a limiting lantern ring; 21. positioning a nut; 22. a connecting plate; 23. a pin shaft; 24. connecting blocks; 25. a support plate; 26. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides an insulator fixing device as shown in figures 1-5, which comprises a connecting frame 1, wherein the top of the connecting frame 1 is provided with a connecting hole 2, the inner cavity of the connecting hole 2 is sleeved with an insulator body 3 in a sliding manner, the bottom of the connecting frame 1 is symmetrically provided with positioning plates 4, the two positioning plates 4 have certain inclination degrees, and can slide relatively when a limiting plate 11 slides, the bottoms of the two positioning plates 4 are fixedly connected with fixing plates 5, the bottom of the outer wall of the insulator body 3 is in sliding, inserting and sleeving connection with the fixing plates 5, the bottom of the outer wall of the insulator body 3 is in threaded sleeving connection with two fixing nuts 6, the two fixing nuts 6 can limit the maximum height of the insulator body 3, the two fixing nuts 6 can enhance the stability of the insulator body 3 on the outer wall, the two fixing nuts 6 are positioned at the bottom of the fixing plates 5, the top of the outer wall of the insulator body 3 is fixedly sleeved with a fixing sleeve ring 7, first spring 8 has been cup jointed in the outer wall slip of insulator body 3, first spring 8 can be under the effect of the fixed lantern ring 7, can give 3 holding power of insulator body, thereby make insulator body 3 carry out the fixed stay to the cable, first spring 8 is located between the fixed lantern ring 7 and the link 1, the top fixedly connected with mounting panel 9 of locating plate 4, mounting panel 9 and connecting bolt 10 are convenient for the installation or the dismantlement of locating plate 4, and then be convenient for the installation or the dismantlement of spare part on the insulator body 3, the equal symmetry in both sides at link 1 top is provided with connecting bolt 10, mounting panel 9 passes through connecting bolt 10 and link 1 fixed connection.

Limiting plates 11 are symmetrically arranged between the two positioning plates 4, grooves are formed in opposite sides of the two limiting plates 11, brake pads 12 are fixedly connected to the inner walls of the grooves, the two limiting plates 11 can limit the positions of the insulator body 3 when sliding relatively under the action of the positioning plates 4, so that the descending height of the insulator body 3 is limited, the probability that parts on the insulator body 3 are damaged due to the fact that the descending height of the insulator is too large is reduced, sliders 13 are fixedly connected to opposite sides of the two limiting plates 11, sliding grooves 14 are formed in opposite sides of the two positioning plates 4, the sliding blocks 13 can enhance the motion stability of the limiting plates 11, the outer walls of the sliders 13 are in sliding sleeve connection with inner cavities of the sliding grooves 14, connecting rods 15 are symmetrically and fixedly connected to one side of one limiting plate 11, and the connecting rods 15 can enhance the motion stability of the two limiting plates 11 again, one side of another limiting plate 11 is provided with a connecting groove 16, one end of the outer wall of the connecting rod 15 is slidably sleeved with an inner cavity of the connecting groove 16, the outer wall of the connecting rod 15 is slidably sleeved with a second spring 17, the second spring 17 is convenient for the two limiting plates 11 to obliquely rise along the track of the positioning plate 4 when rising, and the second spring 17 is located between the two limiting plates 11.

The inner wall of the connecting hole 2 is provided with a plurality of slots 18 in an annular array at equal intervals, the slots 18 are matched with the limit blocks 19, so that the insulator body 3 can be provided with other parts through the connecting frame 1, the outer wall of the insulator body 3 is fixedly connected with a plurality of limit blocks 19 in an annular array at equal intervals, the outer wall of the insulator body 3 is sleeved with a limit lantern ring 20 in a sliding manner, the outer wall of the insulator body 3 is sleeved with a positioning nut 21 in a threaded manner, the positioning nut 21 can limit the position of the limit lantern ring 20, the limit lantern ring 20 is positioned between the positioning nut 21 and the limit blocks 19, the bottom of the limit lantern ring 20 is symmetrically provided with connecting plates 22, the connecting plates 22 can rotate to a certain degree through two pin shafts 23, so that the limit lantern ring 20 drives the limit plate 11 to descend, the two ends of the connecting plates 22 are both rotatably sleeved with the pin shafts 23, and the two ends of the pin shafts 23 are both fixedly connected with the connecting blocks 24, the both ends of connecting plate 22 all rotate with spacing lantern ring 20 and limiting plate 11 respectively through round pin axle 23 and are connected, the outer wall of insulator body 3 slides to alternate and has cup jointed backup pad 25, the bottom of the outer wall of insulator body 3 slides and has cup jointed third spring 26, third spring 26 not only can give 3 holding powers of insulator body, can also give 11 ascending effort of support of limiting plate through backup pad 25, and then the limiting plate 11 reconversion of being convenient for once more, third spring 26 is located between backup pad 25 and the fixed plate 5.

The working principle of the invention is as follows: when the insulator body 3 is installed, the first spring 8 is firstly sleeved on the outer wall of the insulator body 3 in a sliding way, then the bottom of the outer wall of the insulator body 3 is inserted and sleeved with the connecting hole 2 in a sliding way, the limiting block 19 is inserted and inserted with the open slot 18 in a sliding way, the limiting sleeve ring 20 is sleeved and sleeved with the insulator body 3 in a sliding way, the position of the limiting lantern ring 20 is limited by the matching of the positioning nut 21 and the limiting block 19, then the supporting plate 25 and the third spring 26 are sleeved at the bottom of the outer wall of the insulator body 3, finally the positioning plate 4 is installed, at this time, the fixing plate 5 is sleeved with the insulator body 3 in a sliding way, the third spring 26 is defined in position, and its position is defined by means of two fixing nuts 6, then, the mounting plate 9 and the connecting bolt 10 are used for fixing the insulator on the connecting frame 1, and the insulator body 3 is mounted;

the cable can be limited after the insulator body 3 is installed, when the cable is subjected to wind force, the insulator body 3 moves downwards, the first spring 8 supports the insulator body 3 at the moment, and the third spring 26 exerts force on the supporting plate 25, so that elastic supporting force is exerted on the insulator body 3 again through the limiting plate 11, the connecting plate 22, the limiting sleeve ring 20 and the limiting block 19, and the acting force between the cable and the insulator body 3 is relieved, so that the cable is protected;

when the insulator body 3 descends under the action of the cable, the limiting block 19 applies an acting force to the limiting sleeve ring 20, so that the limiting sleeve ring 20 pushes the limiting plates 11 to descend through the connecting plates 22, the two limiting plates 11 slide downwards under the action of the sliding blocks 13 and the connecting rods 15, and the two limiting plates 11 move relatively until the position of the insulator body 3 of the brake disc 12 is limited, so that the insulator body 3 is prevented from continuously descending to damage the insulator body 3;

when the line reduces the effort to insulator body 3, under the effort of first spring 8 and third spring 26, insulator body 3 carries out the rise of certain length, and the answer normal position, two limiting plates 11 rise under the effect of connecting plate 22 this moment, and then under the effect of second spring 17, limiting plate 11 relative slope upwards slides to carry out the protection of certain degree to insulator body 3 and cable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An insulator fixing device comprises a connecting frame (1) and is characterized in that a connecting hole (2) is formed in the top of the connecting frame (1), an insulator body (3) is slidably sleeved in an inner cavity of the connecting hole (2), positioning plates (4) are symmetrically arranged at the bottom of the connecting frame (1), a fixing plate (5) is fixedly connected to the bottoms of the two positioning plates (4), the bottom of the outer wall of the insulator body (3) is slidably inserted and sleeved with the fixing plate (5), two fixing nuts (6) are sleeved on the bottom of the outer wall of the insulator body (3) in a threaded manner, the two fixing nuts (6) are positioned at the bottom of the fixing plate (5), a fixing sleeve ring (7) is fixedly sleeved on the top of the outer wall of the insulator body (3), and a first spring (8) is slidably sleeved on the outer wall of the insulator body (3), the first spring (8) is positioned between the fixed lantern ring (7) and the connecting frame (1); limiting plates (11) are symmetrically arranged between the two positioning plates (4), grooves are formed in the opposite sides of the two limiting plates (11), brake pads (12) are fixedly connected to the inner walls of the grooves, the two positioning plates (4) have a certain inclination degree, and the limiting plates (11) can slide relatively when sliding; the two opposite sides of the two limiting plates (11) are fixedly connected with sliding blocks (13), sliding grooves (14) are formed in the opposite sides of the two positioning plates (4), and the outer walls of the sliding blocks (13) are in sliding sleeve connection with the inner cavities of the sliding grooves (14); one side of one of the limiting plates (11) is symmetrically and fixedly connected with a connecting rod (15), one side of the other limiting plate (11) is provided with a connecting groove (16), one end of the outer wall of the connecting rod (15) is in sliding sleeve connection with an inner cavity of the connecting groove (16), the outer wall of the connecting rod (15) is in sliding sleeve connection with a second spring (17), and the second spring (17) is located between the two limiting plates (11); the inner wall of the connecting hole (2) is provided with a plurality of slots (18) in an annular array at equal intervals, the outer wall of the insulator body (3) is fixedly connected with a plurality of limiting blocks (19) in an annular array at equal intervals, the outer wall of the insulator body (3) is sleeved with a limiting lantern ring (20) in a sliding mode, the outer wall of the insulator body (3) is sleeved with a positioning nut (21) in a threaded mode, and the limiting lantern ring (20) is located between the positioning nut (21) and the limiting blocks (19); the bottom symmetry of spacing lantern ring (20) is provided with connecting plate (22), round pin axle (23) have been cup jointed to the both ends of connecting plate (22) all rotate to alternate, the equal fixedly connected with connecting block (24) in both ends of round pin axle (23), the both ends of connecting plate (22) all rotate with spacing lantern ring (20) and limiting plate (11) respectively through round pin axle (23) and are connected.

2. An insulator fixing device according to claim 1, characterized in that a mounting plate (9) is fixedly connected to the top of the positioning plate (4), connecting bolts (10) are symmetrically arranged on both sides of the top of the connecting frame (1), and the mounting plate (9) is fixedly connected with the connecting frame (1) through the connecting bolts (10).

3. An insulator fixing device according to claim 1, wherein a support plate (25) is slidably inserted and sleeved on the outer wall of the insulator body (3), a third spring (26) is slidably sleeved on the bottom of the outer wall of the insulator body (3), and the third spring (26) is located between the support plate (25) and the fixing plate (5).